Lenovo ThinkPad X1 Hardware Maintenance Manual page 72

Step Screw (quantity)
2
M2 x 3 mm (1)
When installing:
• In models with a wireless LAN card that has two antenna connectors, plug the gray cable into the jack
marked MAIN or M, and the black cable into the jack marked AUX or A on the card. If the computer
you are servicing has three cables, put the white cable in the cable protection tube and secure it with a
tape as shown in the following figure.
66
Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgfcm)